Apple has added the new notification Center to iOS 5 that allows user to use a drop-down shade from the top of the iPhone, much like the Android notification bar.
苹果公司在iOS5中加入的新的通知中心使使用者可以像操作Andriod系统的通知一样从顶部下拉显示内容。
The pull down window shade is essentially an extension of the status bar: it can be reached from within all applications and provides additional actions and information for new event notifications.
下拉窗口本质上就是对状态栏的一种扩展：它可以在所有的应用软件内调用，并为新的事件告示提供附加的动作和信息。
The pull down window shade is essentially an extension of the status bar: it can be reached from within all applications and provides additional actions and information for new event notifications.
下拉窗口本质上就是对状态栏的一种扩展：它可以在所有的应用软件内调用，并为新的事件告示提供附加的动作和信息。
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